<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Closure</title>
</head>

<body>
    <script>
        // Math.pow(4, 2)
        // Math.pow(5, 2)
        function makePower(power) {
            return function (number) {
                return Math.pow(number, power);
            };
        }

        // 求平方
        let power2 = makePower(2)
        let power3 = makePower(3)

        console.log(power2(4))
        console.log(power2(5))
        console.log(power3(4))
    </script>
</body>

</html>